{"instruction": "You are an expert in event extraction. Please extract event types and event trigger words from the input that conform to the schema definition. Return an empty list for non-existent events. Please respond in the format of a JSON string.", "schema": ["data breach", "discover vulnerability", "ransom", "patch vulnerability"], "input": "To recap , Meltdown ( aka F ** CKWIT or CVE -2017-5754 ) is a proof - of - concept hardware vulnerability uncovered almost simultaneously by several groups of researchers through which an attacker could access the contents of kernel memory ( passwords , encryption keys , say ) from the part used by ordinary applications ."}
{"data breach": [], "discover vulnerability": ["uncovered"], "ransom": [], "patch vulnerability": []}